Kéa (kāˈä) [key] or Keos kāˈôs, kēˈŏs, Lat. Ceos, island (1991 pop. 1,787), c.61 sq mi (160 sq km), SE Greece, in the Aegean Sea; one of the Cyclades. Fruits, barley, and silk are produced. Kéa, the main town, is situated on the site of ancient Iulis. The poets Bacchylides and Simonides were born on the island. Under Ottoman rule it was a pirates' haven, when it was also called Zea, Zia, or Tzia.